Finding the Fourth Proportional to 352,448.08, 486,378.80 and 191,303.12
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Solution
The fourth proportional to 352,448.08, 486,378.80 and 191,303.12 is: 263,998.55
Step by Step Solution
- Step 1: Write the proportion equation
352,448.08 : 486,378.80 = 191,303.12 : x - Step 2: Convert to fraction form
352,448.08/486,378.80 = 191,303.12/x - Step 3: Cross multiply
352,448.08x = 486,378.80 × 191,303.12 - Step 4: Simplify right side
352,448.08x = 93,045,781,941.86 - Step 5: Solve for x
x = 93,045,781,941.86/352,448.08 - Step 6: Final answer
x = 263,998.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.